具有高填充因子的 BiVO4/ZnTiO3 多层薄膜的光伏效应

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2024-10-03 DOI:10.1016/j.ceramint.2024.10.024

Jin Qin , Zuo Tian , Gang Chen , Yu Zhao

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引用次数: 0

摘要

铋基半导体材料因其合适的光带隙和可观的光电转换效率而备受关注。提高光电薄膜的光电流和填充因子对于开发高性能光电器件至关重要。本研究采用简单的溶胶-凝胶法制备了高性能 BiVO4-ZnTiO3 多层薄膜，其中 ZnTiO3 薄膜的加入显著提高了 BiVO4 的光电性能。通过旨在提高光利用率的结构设计，BiVO4-ZnTiO3 多层薄膜在 450 纳米波长下的光电流密度达到了 1.9 mA/cm2，复合多层结构的填充因子为 46.8%。薄膜性能的提高归功于整体多层堆叠效应。这项研究为在光电子学中利用铋基半导体提供了一种新方法。

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Photovoltaic effects in BiVO4/ZnTiO3 multilayer films with high fill factor

Bismuth-based semiconductor materials have garnered significant attention because of their appropriate optical bandgap and substantial photoelectric conversion efficiency. Enhancing the photocurrent and fill factor of photovoltaic films is essential for developing high-performance optoelectronic devices. In this study, high-performance BiVO₄-ZnTiO₃ multilayer films were fabricated using a straightforward sol-gel method, where the incorporation of ZnTiO₃ films significantly improved the photovoltaic performance of BiVO₄. Through structural design aimed at enhancing light utilization, the BiVO₄-ZnTiO₃ multilayer film achieved a photocurrent density of 1.9 mA/cm² at 450 nm, along with a fill factor of 46.8 % in the composite multilayer structure. The improvement in film performance is attributed to the overall multilayer stacking effect. This study offers a novel approach for utilizing bismuth-based semiconductors in optoelectronics.

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.